JPS5327930B2 - - Google Patents

Info

Publication number
JPS5327930B2
JPS5327930B2 JP3975372A JP3975372A JPS5327930B2 JP S5327930 B2 JPS5327930 B2 JP S5327930B2 JP 3975372 A JP3975372 A JP 3975372A JP 3975372 A JP3975372 A JP 3975372A JP S5327930 B2 JPS5327930 B2 JP S5327930B2
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP3975372A
Other languages
Japanese (ja)
Other versions
JPS492531A (nl
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP3975372A priority Critical patent/JPS5327930B2/ja
Priority to US00350195A priority patent/US3842424A/en
Priority to DE19732320086 priority patent/DE2320086C3/de
Publication of JPS492531A publication Critical patent/JPS492531A/ja
Publication of JPS5327930B2 publication Critical patent/JPS5327930B2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B19/00—Cameras
    • G03B19/02—Still-picture cameras
    • G03B19/12—Reflex cameras with single objective and a movable reflector or a partly-transmitting mirror
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/081—Analogue circuits
    • G03B7/083—Analogue circuits for control of exposure time
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/099—Arrangement of photoelectric elements in or on the camera
    • G03B7/0993—Arrangement of photoelectric elements in or on the camera in the camera
    • G03B7/0997—Through the lens [TTL] measuring
    • G03B7/09971—Through the lens [TTL] measuring in mirror-reflex cameras
    • G03B7/09974—Through the lens [TTL] measuring in mirror-reflex cameras using the film or shutter as sensor light reflecting member
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/099—Arrangement of photoelectric elements in or on the camera
    • G03B7/0993—Arrangement of photoelectric elements in or on the camera in the camera
    • G03B7/0997—Through the lens [TTL] measuring
    • G03B7/09971—Through the lens [TTL] measuring in mirror-reflex cameras
    • G03B7/09976—Through the lens [TTL] measuring in mirror-reflex cameras the sensor being mounted in, before, or behind the porro-prism

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Endoscopes (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
JP3975372A 1972-04-20 1972-04-20 Expired JPS5327930B2 (nl)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP3975372A JPS5327930B2 (nl) 1972-04-20 1972-04-20
US00350195A US3842424A (en) 1972-04-20 1973-04-11 Exposure control device in single-lens reflex camera
DE19732320086 DE2320086C3 (de) 1972-04-20 1973-04-19 Vorrichtung zur automatischen Belichtungszeitsteuerung bei Kameras

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3975372A JPS5327930B2 (nl) 1972-04-20 1972-04-20

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP51023960A Division JPS51132827A (en) 1976-03-05 1976-03-05 Exposure value display device for the single lens reflex camera

Publications (2)

Publication Number Publication Date
JPS492531A JPS492531A (nl) 1974-01-10
JPS5327930B2 true JPS5327930B2 (nl) 1978-08-11

Family

ID=12561697

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3975372A Expired JPS5327930B2 (nl) 1972-04-20 1972-04-20

Country Status (2)

Country Link
US (1) US3842424A (nl)
JP (1) JPS5327930B2 (nl)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4064517A (en) * 1974-07-02 1977-12-20 Olympus Optical Co., Ltd. Photometric apparatus for single lens reflex camera
JPS5332022Y2 (nl) * 1974-07-31 1978-08-09
JPS5177228A (en) * 1974-12-27 1976-07-05 Nippon Kogaku Kk Ichiganrefukamerano roshutsukeinojukosochi
JPS5219525A (en) * 1975-08-06 1977-02-14 Minolta Camera Co Ltd Ttl light measure circuit for the camera
JPS5926934B2 (ja) * 1975-09-26 1984-07-02 ミノルタ株式会社 Ｔｔｌ測光式露出制御カメラ
JPS5269620A (en) * 1975-12-09 1977-06-09 Asahi Optical Co Ltd Singleelens reflex camera photometric device
JPS5284833U (nl) * 1975-12-17 1977-06-24
US4093379A (en) * 1976-09-14 1978-06-06 Ehrenreich Photo-Optical Industries, Inc. Method and apparatus for making photographic copies
US4174893A (en) * 1977-12-14 1979-11-20 Polaroid Corporation Exposure control system for use in photographic camera apparatus
JPS5525024A (en) * 1978-08-09 1980-02-22 Minolta Camera Co Ltd Exposure control unit of single-lens reflex camera
US4325615A (en) * 1978-08-09 1982-04-20 Minolta Camera Kabushiki Kaisha Exposure control system for single lens reflex cameras
DE2952207A1 (de) * 1979-12-22 1981-06-25 Novoflex Fotogerätebau Karl Müller, 8940 Memmingen Prismensucher fuer spiegelreflexkameras mit belichtungsmesser
JPS5756826A (en) * 1980-09-22 1982-04-05 Olympus Optical Co Ltd Automatic exposure control camera
JPS5756828A (en) * 1980-09-22 1982-04-05 Olympus Optical Co Ltd Automatic exposure control camera
JPS57187437U (nl) * 1981-05-25 1982-11-27
JPH0229723A (ja) * 1988-07-20 1990-01-31 Minolta Camera Co Ltd カメラの実像式フアインダー
JPH04371935A (ja) * 1991-06-20 1992-12-24 Nikon Corp カメラの自動調光装置
JP3477382B2 (ja) * 1998-11-20 2003-12-10 ペンタックス株式会社 一眼レフカメラ
JP2007020125A (ja) * 2005-07-11 2007-01-25 Canon Inc 撮像装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1272703B (de) * 1965-07-24 1968-07-11 Zeiss Ikon Ag Spiegelreflexkamera mit Fotoelement
US3710699A (en) * 1967-04-21 1973-01-16 Canon Kk Single lens reflex camera with an interchangeable focus screen
US3612703A (en) * 1967-05-29 1971-10-12 Mamiya Camera Combined spot and average photometric system

Also Published As

Publication number Publication date
JPS492531A (nl) 1974-01-10
DE2320086A1 (de) 1973-10-25
US3842424A (en) 1974-10-15
DE2320086B2 (de) 1977-01-13

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